Finding the Fourth Proportional to 5,539,382.67, 7,645,623.57 and 3,248,281.47
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Solution
The fourth proportional to 5,539,382.67, 7,645,623.57 and 3,248,281.47 is: 4,483,376.37
Step by Step Solution
- Step 1: Write the proportion equation
5,539,382.67 : 7,645,623.57 = 3,248,281.47 : x - Step 2: Convert to fraction form
5,539,382.67/7,645,623.57 = 3,248,281.47/x - Step 3: Cross multiply
5,539,382.67x = 7,645,623.57 × 3,248,281.47 - Step 4: Simplify right side
5,539,382.67x = 24,835,137,369,026.25 - Step 5: Solve for x
x = 24,835,137,369,026.25/5,539,382.67 - Step 6: Final answer
x = 4,483,376.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.